5525B/31/32 Line Matrix Printer Code V Programmer's Reference Manual

UCC/EAN-128
197
ratio Optional parameter (used in conjunction with 9
above) representing the ratios for variable ratio bar
codes. Default ratios are overridden by the variable
ratio feature. The ratio data must be hexadecimal
numbers from 0 through 9 or A through F; the Code
V automatically checks the input for validity. If an
invalid character is found in the ratio, an error
message is generated.
UCC/EAN-128 bar codes use eight-digit ratios. The
ratios are interpreted from left to right, measuring
the size of each bar or space in dot width, in the
following pattern:
1 module wide bar : 1 module
wide space : 2 module wide bar : 2 module wide
space : 3 module wide bar : 3 module wide space :
4 module wide bar : 4 module wide space.
For
example, enter 22446688 in the ratio data field for:
2 module wide bar
2 module wide space
4 module wide bar
4 module wide space
6 module wide bar
6 module wide space
8 module wide bar
8 module wide space
The maximum width of an UCC/EAN-128 bar code
is 165mm (6.5”).
The Code V automatically checks ratio data for validity only within the
allowable hexadecimal range. The Code V does not verify that ratio data
creates acceptable bar/space element relationships for bar code readability.
When designing unique ratio data, carefully plot bar/space ratios to conform
to readable bar codes.
data The bar code data. The data field for UCC/EAN-
128 consists of an “application identifier” of two,
three or four numbers, followed by data of
appropriate length and type. See Table 35 for a list
of application identifiers and their associated data
fields.
Because the FNC1 character is required for UCC/
EAN-128 bar codes, Code V will always generate
this as the first character after the start code. It will
appear in the bars but not in the human-readable
field. Do not supply the FNC1 in the data field.
The proper start code and any subset switching
characters will be automatically generated by Code
V. Do not include characters from the Alternate
subset in the data field.
(cc)G Terminates the bar code command. Enter the
SFCC for your Code V configuration immediately
followed by any valid command character or G, the
universal sequence terminator.